Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756008AbcKBPok (ORCPT ); Wed, 2 Nov 2016 11:44:40 -0400 Received: from mail-pf0-f196.google.com ([209.85.192.196]:34127 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755676AbcKBPof (ORCPT ); Wed, 2 Nov 2016 11:44:35 -0400 From: Anurup M X-Google-Original-From: Anurup M To: anurup.m@huawei.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: will.deacon@arm.com, mark.rutland@arm.com, zhangshaokun@hisilicon.com, xuwei5@hisilicon.com, john.garry@huawei.com, gabriele.paoloni@huawei.com, sanil.kumar@hisilicon.com, shyju.pv@huawei.com, tanxiaojun@huawei.com, shiju.jose@huawei.com, linuxarm@huawei.com Subject: [PATCH v1 02/11] dt-bindings: hisi: Add Hisilicon HiP05/06/07 Sysctrl and Djtag dts bindings Date: Wed, 2 Nov 2016 11:42:45 -0400 Message-Id: <1478101374-18778-3-git-send-email-anurup.m@huawei.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1478101374-18778-1-git-send-email-anurup.m@huawei.com> References: <1478101374-18778-1-git-send-email-anurup.m@huawei.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3750 Lines: 104 From: Tan Xiaojun 1) Add Hisilicon HiP05/06/07 CPU and ALGSUB system controller dts bindings. 2) Add Hisilicon Djtag dts binding. Signed-off-by: Tan Xiaojun Signed-off-by: Anurup M --- .../bindings/arm/hisilicon/hisilicon.txt | 82 ++++++++++++++++++++++ 1 file changed, 82 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt b/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt index 7df79a7..341cbb9 100644 --- a/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt +++ b/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt @@ -270,3 +270,85 @@ Required Properties: [1]: bootwrapper size [2]: relocation physical address [3]: relocation size + +----------------------------------------------------------------------- +The Hisilicon Djtag in CPU die is an independent component which connects with +some other components in the SoC by Debug Bus. This driver can be configured +to access the registers of connecting components (like L3 cache, l3 cache PMU + etc.) during real time debugging by sysctrl. These components appear as child +nodes of djtag. + +The Hip05/06/07 CPU system controller(sysctrl) support to manage some important +components (such as clock, reset, soft reset, secure debugger, etc.). +The CPU sysctrl registers in hip05/06/07 doesnot use syscon but will be mapped +by djtag driver for use by connecting components. + +Hisilicon HiP05 CPU system controller +Required properties: + - compatible : "hisilicon,hip05-cpu-djtag-v1" + - reg : Register address and size + +Hisilicon HiP06 djtag for CPU sysctrl +Required properties: +- compatible : "hisilicon,hip06-sysctrl", "syscon", "simple-mfd"; +- reg : Register address and size +- djtag : + - compatible : "hisilicon,hip06-cpu-djtag-v1" + - reg : Register address and size + +Hisilicon HiP07 djtag for CPU sysctrl +Required properties: + - compatible : "hisilicon,hip07-cpu-djtag-v2" + - reg : Register address and size + +Example: + /* for Hisilicon HiP05 djtag for CPU sysctrl */ + djtag0: djtag@80010000 { + compatible = "hisilicon,hip05-cpu-djtag-v1"; + reg = <0x0 0x80010000 0x0 0x10000>; + + /* For L3 cache PMU */ + pmul3c0 { + compatible = "hisilicon,hisi-pmu-l3c-v1"; + scl-id = <0x02>; + num-events = <0x16>; + num-counters = <0x08>; + module-id = <0x04>; + num-banks = <0x04>; + cfgen-map = <0x02 0x04 0x01 0x08>; + counter-reg = <0x170>; + evctrl-reg = <0x04>; + event-en = <0x1000000>; + evtype-reg = <0x140>; + }; + }; + +----------------------------------------------------------------------- +The Hisilicon HiP05/06/07 ALGSUB system controller(sysctrl) is in IO die +of SoC. It has a similar function as the Hisilicon HiP05/06/07 CPU system +controller in CPU die and it manage different components, like RSA, etc. +The Hisilicon Djtag in IO die has a similar function as in CPU die and maps +the sysctrl registers for use by connecting components. +All connecting components shall appear as child nodes of djtag. + +Hisilicon HiP05 djtag for ALGSUB sysctrl +Required properties: + - compatible : "hisilicon,hip05-io-djtag-v1" + - reg : Register address and size + +Hisilicon HiP06 djtag for ALGSUB sysctrl +Required properties: + - compatible : "hisilicon,hip06-io-djtag-v2" + - reg : Register address and size + +Hisilicon HiP07 djtag for ALGSUB sysctrl +Required properties: + - compatible : "hisilicon,hip07-io-djtag-v2" + - reg : Register address and size + +Example: + /* for Hisilicon HiP05 djtag for alg sysctrl */ + djtag0: djtag@d0000000 { + compatible = "hisilicon,hip05-io-djtag-v1"; + reg = <0x0 0xd0000000 0x0 0x10000>; + }; -- 2.1.4